]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: d2d07af) | patch
KVM: x86: Optimize NMI watchdog delivery
authorJan Kiszka <jan.kiszka@siemens.com>
Mon, 20 Oct 2008 08:20:03 +0000 (10:20 +0200)
committerAvi Kivity <avi@redhat.com>
Wed, 31 Dec 2008 14:51:47 +0000 (16:51 +0200)
commitb788887f84fd09dcd86d82f0909851b81f6c756a
tree3f34b8be2ec3eb63e06c223b1d75d7068a717318tree | snapshot
parentd2d07af99862c4f65ce81ff741375e478f59b91dcommit | diff
KVM: x86: Optimize NMI watchdog delivery

As suggested by Avi, this patch introduces a counter of VCPUs that have
LVT0 set to NMI mode. Only if the counter > 0, we push the PIT ticks via
all LAPIC LVT0 lines to enable NMI watchdog support.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/include/asm/kvm_host.h diff | blob | history
arch/x86/kvm/i8254.c diff | blob | history
arch/x86/kvm/lapic.c diff | blob | history
Linux Kernel Source Tree.